GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

ADVISORY RESEARCH INC's Holding History (CIK: 0000902584)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014

Shares 68,000 Value ($000) $420 Avg Close $7.38 Range $6.16 - $8.29

Q1 2014

Shares 84,900 Value ($000) $775 Avg Close $8.52 Range $7.45 - $9.44

Q4 2013

Shares 92,900 Value ($000) $855 Avg Close $8.38 Range $6.99 - $9.33

Q3 2013

Shares 71,400 Value ($000) $531 Avg Close $7.43 Range $6.28 - $8.69

Q2 2013

Shares 74,700 Value ($000) $584 Avg Close $7.58 Range $6.30 - $8.66

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	68,000	$420	$7.38	$6.16 - $8.29
Q1 2014	84,900	$775	$8.52	$7.45 - $9.44
Q4 2013	92,900	$855	$8.38	$6.99 - $9.33
Q3 2013	71,400	$531	$7.43	$6.28 - $8.69
Q2 2013	74,700	$584	$7.58	$6.30 - $8.66